Home / 70,569.45-105,886.91-26,211.62

Finding the Fourth Proportional to 70,569.45, 105,886.91 and 26,211.62

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Solution

The fourth proportional to 70,569.45, 105,886.91 and 26,211.62 is: 39,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.45 : 105,886.91 = 26,211.62 : x
  2. Step 2: Convert to fraction form
    70,569.45/105,886.91 = 26,211.62/x
  3. Step 3: Cross multiply
    70,569.45x = 105,886.91 × 26,211.62
  4. Step 4: Simplify right side
    70,569.45x = 2,775,467,778.14
  5. Step 5: Solve for x
    x = 2,775,467,778.14/70,569.45
  6. Step 6: Final answer
    x = 39,329.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.